橡胶板块8月15日涨2.22%，利通科技领涨，主力资金净流入2601.9万元

Core Insights - The rubber sector experienced a significant increase of 2.22% on August 15, with Li Tong Technology leading the gains [1] - The Shanghai Composite Index closed at 3696.77, up 0.83%, while the Shenzhen Component Index closed at 11634.67, up 1.6% [1] Rubber Sector Performance - Li Tong Technology (832225) closed at 27.71, with a rise of 21.38% and a trading volume of 243,900 shares, amounting to a transaction value of 670 million [1] - Other notable performers included: - Zhongyu Technology (871694) at 22.49, up 11.06% [1] - Sanwei Equipment (831834) at 14.72, up 9.04% [1] - Kexin New Source (300731) at 51.71, up 6.33% [1] - Zhenan Technology (300767) at 16.55, up 4.55% [1] - Liangmao Co., Ltd. (002068) at 11.76, up 4.44% [1] Capital Flow Analysis - The rubber sector saw a net inflow of 26.019 million from institutional investors, while retail investors contributed a net inflow of 71.9876 million [1] - Notable capital flows included: - Zhenan Technology (300767) with a net outflow of 47.1179 million from institutional investors [2] - Heimao Co., Ltd. (002068) with a net inflow of 40.2969 million from institutional investors [2] - Tian Tie Technology (300587) with a net inflow of 39.1791 million from institutional investors [2]